Merge branch 'objectifyyourtype' into 'master'

Return type as a sol::object instead of a table proxy

Closes #8757

See merge request OpenMW/openmw!4963

apps/openmw/mwlua/objectbindings.cpp

@@ -330,10 +330,9 @@ namespace MWLua
                 return LuaUtil::Box{ bb.center(), bb._max - bb.center() };
             };
 
-            objectT["type"]
-                = sol::readonly_property([types = getTypeToPackageTable(context.sol())](const ObjectT& o) mutable {
-                      return types[getLiveCellRefType(o.ptr().mRef)];
-                  });
+            objectT["type"] = sol::readonly_property(
+                [types = getTypeToPackageTable(context.sol())](
+                    const ObjectT& o) -> sol::object { return types[getLiveCellRefType(o.ptr().mRef)]; });
 
             objectT["count"] = sol::readonly_property([](const ObjectT& o) { return o.ptr().getCellRef().getCount(); });
             objectT[sol::meta_function::equal_to] = [](const ObjectT& a, const ObjectT& b) { return a.id() == b.id(); };

scripts/data/integration_tests/test_lua_api/global.lua

@@ -7,6 +7,13 @@ local vfs = require('openmw.vfs')
 local world = require('openmw.world')
 local I = require('openmw.interfaces')
 
+testing.registerGlobalTest('crash in lua coroutine when accessing type (#8757)', function()
+    local co = coroutine.wrap(function()
+        testing.expectEqual(tostring(world.players[1].type), 'Player')
+    end)
+    co()
+end)
+
 testing.registerGlobalTest('timers', function()
     testing.expectAlmostEqual(core.getGameTimeScale(), 30, 'incorrect getGameTimeScale() result')
     testing.expectAlmostEqual(core.getSimulationTimeScale(), 1, 'incorrect getSimulationTimeScale result')

scripts/data/integration_tests/test_lua_api/menu.lua

@@ -61,6 +61,7 @@ local function registerGlobalTest(name, description)
    end)
 end
 
+registerGlobalTest('crash in lua coroutine when accessing type (#8757)')
 registerGlobalTest('timers')
 registerGlobalTest('teleport')
 registerGlobalTest('getGMST')